Home / 1,491,022.08-2,236,215.60-425,781.36

Finding the Fourth Proportional to 1,491,022.08, 2,236,215.60 and 425,781.36

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Solution

The fourth proportional to 1,491,022.08, 2,236,215.60 and 425,781.36 is: 638,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,022.08 : 2,236,215.60 = 425,781.36 : x
  2. Step 2: Convert to fraction form
    1,491,022.08/2,236,215.60 = 425,781.36/x
  3. Step 3: Cross multiply
    1,491,022.08x = 2,236,215.60 × 425,781.36
  4. Step 4: Simplify right side
    1,491,022.08x = 952,138,919,421.22
  5. Step 5: Solve for x
    x = 952,138,919,421.22/1,491,022.08
  6. Step 6: Final answer
    x = 638,581.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.